<template>
  <div class="main">
    <a-form id="formLogin" class="user-layout-login" ref="formLogin" :form="form" @submit="handleSubmit">
      <div>
        <!-- <a-alert v-if="isLoginError" type="error" showIcon style="margin-bottom: 24px;"
          :message="$t('user.login.message-invalid-credentials')" /> -->
        <a-form-item>
          <a-input
            size="large"
            type="text"
            placeholder="请输入账号"
            v-decorator="[
              'username',
              { rules: [{ required: true, message: '请输入账号' }, { validator: handleUsernameOrEmail }], validateTrigger: 'change' }
            ]">
            <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
          </a-input>
        </a-form-item>

        <a-form-item>
          <a-input-password
            size="large"
            placeholder="请输入密码"
            autocomplete
            v-decorator="[
              'password',
              { rules: [{ required: true, message: '请输入密码' }], validateTrigger: 'blur' }
            ]">
            <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
          </a-input-password>
        </a-form-item>
        <a-row :gutter="16">
          <a-col class="gutter-row" :span="16">
            <a-form-item>
              <a-input
                size="large"
                type="text"
                :placeholder="$t('user.login.mobile.verification-code.placeholder')"
                v-decorator="['captcha', { rules: [{ required: true, message: $t('user.verification-code.required') }], validateTrigger: 'blur' }]">
                <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }" />
              </a-input>
            </a-form-item>
          </a-col>
          <a-col class="gutter-row" :span="8">

            <div class="getCaptcha" @click.stop.prevent="getCaptcha">
              <img :src="codeImg" style="width:100px;height:40px;" title="看不清，点击换一张" loading="lazy" alt="重新获取验证码">
            </div>
          </a-col>
        </a-row>
      </div>

      <a-form-item style="margin-top:24px">
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="login-button"
          :loading="state.loginBtn"
          :disabled="state.loginBtn">{{ $t('user.login.login') }}</a-button>
      </a-form-item>
    </a-form>

  </div>
</template>

<script>

import { mapActions } from 'vuex'
import { timeFix, getUUID } from '@/utils/util'
import { getDigit, getTree } from '@/api/login'

export default {
  components: {

  },
  data () {
    return {
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      isLoginError: false,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 username, 2 telephone
        loginType: 0,
        smsSendBtn: false
      },
      // 验证码图片
      codeImg: '',
      bill_uuid: ''
    }
  },
  created () {
    this.getCaptcha()
  },
  methods: {
    // , 'Logout'
    ...mapActions(['Login']),
    // 获取图形验证码
    getCaptcha () {
      this.bill_uuid = getUUID(32, 16)
      getDigit({ uuid: this.bill_uuid }).then(res => {
        this.codeImg = window.URL.createObjectURL(res) // 这里调用window的URL方法
      })
    },
    // handler
    handleUsernameOrEmail (rule, value, callback) {
      const { state } = this
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        state.loginType = 0
      } else {
        state.loginType = 1
      }
      callback()
    },
    handleTabClick (key) {
      this.customActiveKey = key
      // this.form.resetFields()
    },
    handleSubmit (e) {
      e.preventDefault()
      const {
        state,
        Login
      } = this
      const _this = this
      state.loginBtn = true
      this.form.validateFields((err, values) => {
        if (!err) {
          const loginParams = {}
          loginParams.account = values.username
          loginParams.password = values.password
          loginParams.uuid = this.bill_uuid
          loginParams.code = values.captcha
          Login(loginParams)
            .then(res => {
              _this.loginSuccess(res)
            })
            .catch(err => {
              _this.requestFailed(err)
            })
            .finally(() => {
              state.loginBtn = false
            })
        } else {
          setTimeout(() => {
            state.loginBtn = false
          }, 600)
        }
      })
    },
    loginSuccess (res) {
      console.log(res)
      if (res.code != 200) {
        this.$notification['error']({
          message: '错误',
          description: res.message,
          duration: 4
        })
        return
      }

      this.$router.push({ path: '/' })
      // 延迟 1 秒显示欢迎信息
      // setTimeout(() => {
      //   this.$notification.success({
      //     message: '欢迎',
      //     description: `${timeFix()}，欢迎回来`
      //   })
      // }, 1000)
      this.isLoginError = false
    },
    requestFailed (err) {
      // this.isLoginError = true
      console.log(err)
      this.$notification['error']({
        message: '错误',
        description: err.message || '请求出现错误，请稍后再试',
        duration: 4
      })
    }
  }
}
</script>

<style lang="less" scoped>
.user-layout-login {
  label {
    font-size: 14px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 100%;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
</style>
